-6.1% is the change from 590 to 554
Calculation steps:
[( 554 - 590 ) ÷ 590] x 100 = -6.1%
Formula
Percentage change = [(554 - 590) / 590] x 100
Subtract the new number by the original number
554 - 590 = -36
-36 ÷ 590 = -0.061016949152542375
-0.061016949152542375 x 100 = -6.1%